grayquant_reg.c File Reference

Tests gray thresholding to 1, 2 and 4 bpp, with and without colormaps. More...

#include <stdio.h>
#include <stdlib.h>
#include "allheaders.h"

Go to the source code of this file.

Functions
	main (int argc, char **argv)
Variables
static const l_int32	THRESHOLD = 130
static const l_int32	NLEVELS = 4

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Detailed Description

Tests gray thresholding to 1, 2 and 4 bpp, with and without colormaps.

Definition in file grayquant_reg.c.

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Function Documentation

main	(	int	argc,
		char **	argv
	)

Definition at line 31 of file grayquant_reg.c.

References boxCreate(), boxDestroy(), ERROR_INT, IFF_JFIF_JPEG, IFF_PNG, NLEVELS, NULL, PIX_SRC, pixaCreate(), pixaDestroy(), pixaDisplay(), pixClipRectangle(), pixcmapGetIndex(), pixcmapWriteStream(), pixConvertGrayToColormap(), pixCreate(), pixDestroy(), pixDisplay(), pixDitherTo2bpp(), pixEqual(), pixGetColormap(), pixGetDimensions(), pixRasterop(), pixRead(), pixReduceRankBinaryCascade(), pixRemoveColormap(), pixSaveTiled(), pixScale(), pixScaleGray2xLIThresh(), pixScaleGray4xLIThresh(), pixScaleToGray4(), pixSetSelectCmap(), pixThreshold8(), pixThresholdGrayArb(), pixThresholdOn8bpp(), pixThresholdTo2bpp(), pixThresholdTo4bpp(), pixThresholdToBinary(), pixWrite(), REMOVE_CMAP_TO_GRAYSCALE, startTimer(), stopTimer(), and THRESHOLD.

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Variable Documentation

const l_int32 THRESHOLD = 130 [static]

Definition at line 26 of file grayquant_reg.c.

Referenced by main().

const l_int32 NLEVELS = 4 [static]

Definition at line 28 of file grayquant_reg.c.

Referenced by main().